Volume 24, Number 4—April 2018
Research
Influenza A(H7N9) Virus Antibody Responses in Survivors 1 Year after Infection, China, 2017
Table 5
Change in antibody titers in survivors of influenza A(H7N9) at different follow-up points, China, 2017*
Patient no. | Change, -fold, HI/NI/MN/IgG/IgA |
|
---|---|---|
Follow-up visit 2 vs. follow-up visit 1 | Follow-up visit 3 vs. follow-up visit 2 | |
1 | 1/0.5/1/0.5/0.5 | 1/0.5/1/1/1 |
2 | 1/1/1/0.25/0.5 | 1/0.5/1/1/1 |
3 | 0.5/1/2/1/0.5 | 0.25/0.25/0.5/0.25/1 |
4 | 0.5/0.13/0.5/0.5/0.25 | 0.25/0.25/1/0.5/1 |
5 | 0.5/0.06/0.5/0.5/0.5 | 0.13/0.25/1/0.25/0.5 |
6 | 0.5/0.13/4/0.25/0.5 | 0.13/0.25/0.25/1/1 |
7 | NA | NA |
8 | 0.25/0.25/1/1/0.5 | 0.25/0.25/1/0.5/0.5 |
9 | 0.5/0.03/1/0.13/0.13 | 1/1/1/1/1 |
10 | 0.5/0.13/2/0.25/0.5 | 0.5/0.25/1/0.25/0.5 |
11 | 0.5/0.25/0.5/0.06/0.5 | 0.5/1/2/4/0.5 |
12 | NA | NA |
13 | 0.5/0.25/2/0.25/0.5 | 0.5/0.25/0.5/0.5/1 |
14 | 0.25/0.25/0.25/0.25/0.25 | 0.5/0.5/1/1/1 |
15 | 0.5/0.02/1/0.5/0.125 | 0.5/1/1/1/1 |
16 | 0.5/0.5/2/0.5/0.5 | 0.5/0.25/1/0.5/1 |
17 | 0.5/0.25/1/0.13/1 | 0.5/0.5/1/1/1 |
18 | 0.5/0.06/2/0.5/0.5 | 0.5/0.5/1/1/1 |
19 | 0.13/0.06/0.25/0.06/1 | 0.5/0.25/1/1/1 |
20 | 0.5/0.03/2/2/1 | NA |
21 | 0.25/0.03/1/0.25/0.25 | 0.5/0.5/1/1/1 |
22 | 0.5/0.25/2/0.25/0.25 | 0.5/0.06/0.5/0.5/1 |
23 | 0.25/0.03/1/0.13/0.5 | 1/0.5/1/0.5/1 |
24 | 0.5/0.25/4/0.25/0.5 | 0.5/0.25/0.25/0.5/1 |
25 | 0.5/0.25/1/0.5/0.5 | 0.25/0.5/1/0.25/1 |
*Change was calculated as ratio of titers. HI, hemagglutination inhibition; MN, microneutralization; NA, not available; NI, neuraminidase inhibition.
1These authors contributed equally to this article.